Air Separation Units and Refrigeration Freezers

Abstract

The invention provides an air separation device and a refrigeration and freezing device. The air separation device comprises: a support frame forming a support surface with channels and an enriched gas collection chamber communicated with the channels; and an air separation membrane laid on the support surface of the support frame, configured such that the air separation device A particular gas in the ambient air stream permeates the air separation membrane into the enriched gas collection chamber more than other gases therein. In the air separation device of the present invention, the support frame is specially designed to have a support surface and an enriched gas collection chamber, and a channel communicating with the enriched gas collection chamber is formed on the support surface, and by setting the air on the support surface The separation membrane provides an air separation device with good internal gas flow and certain strength.

Description

technical field [0001] The invention relates to the technical field of gas separation, in particular to an air separation device and a refrigerating and freezing device having the same. Background technique [0002] A refrigerator is a refrigeration device that maintains a constant low temperature, and it is also a civilian product that keeps food or other items in a constant low temperature and cold state. With the improvement of the quality of life, consumers have higher and higher requirements for the preservation of stored food, especially for the color and taste of food. Therefore, the stored food should also ensure that the color, taste, and freshness of the food remain unchanged as much as possible during the storage period. [0003] In the fresh-keeping technology of the refrigerator, oxygen is closely related to the oxidation and respiration of the food in the refrigerator. The slower the respiration of the food, the lower the oxidation of the food and the longer ...

AI Technical Summary

Problems solved by technology

But until now, due to the large size and high cost of nitrogen-generating equipment traditionally used for controlled atmosphere preservation, this technology has basically been limited to use in various large-scale professional storages (storage capacity is generally at least 30 tons or more).

It can be said that what kind of appropriate gas adjustment technology and corresponding devices can be used to economically miniaturize and quiet the air conditioning system, making it suitable for families or individual users, is a problem that technicians in the field of air conditioning and fresh-keeping have been eager to solve but have never been able to solve. Technical problems that can be successfully solved

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